Anglo-Saxons

Collective name given to the various Germanictribes who settled in the south
and east of Roman Britain in the 5th and 6th centuries AD, who eventually united in the 9th century to form the nation called England.

Commonly referred to as the Saxons (they being the dominant tribe) or Anglo-Saxons in order to distinguish them from the remaining Saxon people inhabiting northern Germany.(Hence the German kingdom of Saxony.)